
150
ComPonent-oriented develoPment and assemblY
7.5 Enterprise CODA Using Java EE—An Example
In this section, we discuss the componentization of the POS example application
explained in Chapter 4 using the Java EE platform. Let us take the Guest Check-In
use case to see how it can be realized using various Java EE components. As discussed
in Chapter 4, this use case is invoked by the waiters when new guests arrive at the
restaurant. When this use case is invoked, the POS application displays a list of
empty tables, and the waiter chooses an empty table and seats the guests at the table.
Table7.1 provides the list of components for the Check